example-voting-app/worker/src/Worker/Worker.csproj

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <TargetFramework>netcoreapp2.0</TargetFramework>
    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
    <AssemblyName>Worker</AssemblyName>
    <OutputType>Exe</OutputType>
    <PackageId>Worker</PackageId>
    <ServerGarbageCollection>true</ServerGarbageCollection>
    <RuntimeFrameworkVersion>2.0.0</RuntimeFrameworkVersion>
  </PropertyGroup>

  <ItemGroup>
    <PackageReference Include="StackExchange.Redis" Version="1.1.604-alpha" />
    <PackageReference Include="Npgsql" Version="3.1.3" />
    <PackageReference Include="Newtonsoft.Json" Version="9.0.1" />
  </ItemGroup>

</Project>